div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=soviet-union-year-book-1927htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Soviet Union Year-Book 1927 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentsusreader031viewer2022020312575067c21a28ab0f07ad05c8html5thumbnails1jpg width=140 height=200 divp©1927 Nature Publishing Grouppdiv